1640498400

素因数分解:

$2^5\times 3^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{1433}}^1$

素因数の和:1515

約数の個数: 288

約数和(自身を含む): 6049300320

約数和(自身を除く): 4408801920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 53, 54, 60, 72, 75, 80, 90, 96, 100, 106, 108, 120, 135, 144, 150, 159, 160, 180, 200, 212, 216, 225, 240, 265, 270, 288, 300, 318, 360, 400, 424, 432, 450, 477, 480, 530, 540, 600, 636, 675, 720, 795, 800, 848, 864, 900, 954, 1060, 1080, 1200, 1272, 1325, 1350, 1431, 1433, 1440, 1590, 1696, 1800, 1908, 2120, 2160, 2385, 2400, 2544, 2650, 2700, 2862, 2866, 3180, 3600, 3816, 3975, 4240, 4299, 4320, 4770, 5088, 5300, 5400, 5724, 5732, 6360, 7155, 7165, 7200, 7632, 7950, 8480, 8598, 9540, 10600, 10800, 11448, 11464, 11925, 12720, 12897, 14310, 14330, 15264, 15900, 17196, 19080, 21200, 21495, 21600, 22896, 22928, 23850, 25440, 25794, 28620, 28660, 31800, 34392, 35775, 35825, 38160, 38691, 42400, 42990, 45792, 45856, 47700, 51588, 57240, 57320, 63600, 64485, 68784, 71550, 71650, 75949, 76320, 77382, 85980, 95400, 103176, 107475, 114480, 114640, 127200, 128970, 137568, 143100, 143300, 151898, 154764, 171960, 190800, 193455, 206352, 214950, 227847, 228960, 229280, 257940, 286200, 286600, 303796, 309528, 322425, 343920, 379745, 381600, 386910, 412704, 429900, 455694, 515880, 572400, 573200, 607592, 619056, 644850, 683541, 687840, 759490, 773820, 859800, 911388, 967275, 1031760, 1139235, 1144800, 1146400, 1215184, 1238112, 1289700, 1367082, 1518980, 1547640, 1719600, 1822776, 1898725, 1934550, 2050623, 2063520, 2278470, 2430368, 2579400, 2734164, 3037960, 3095280, 3417705, 3439200, 3645552, 3797450, 3869100, 4101246, 4556940, 5158800, 5468328, 5696175, 6075920, 6190560, 6835410, 7291104, 7594900, 7738200, 8202492, 9113880, 10253115, 10317600, 10936656, 11392350, 12151840, 13670820, 15189800, 15476400, 16404984, 17088525, 18227760, 20506230, 21873312, 22784700, 27341640, 30379600, 30952800, 32809968, 34177050, 36455520, 41012460, 45569400, 51265575, 54683280, 60759200, 65619936, 68354100, 82024920, 91138800, 102531150, 109366560, 136708200, 164049840, 182277600, 205062300, 273416400, 328099680, 410124600, 546832800, 820249200, 1640498400]

約数ペア:

[(1, 1640498400), (2, 820249200), (3, 546832800), (4, 410124600), (5, 328099680), (6, 273416400), (8, 205062300), (9, 182277600), (10, 164049840), (12, 136708200), (15, 109366560), (16, 102531150), (18, 91138800), (20, 82024920), (24, 68354100), (25, 65619936), (27, 60759200), (30, 54683280), (32, 51265575), (36, 45569400), (40, 41012460), (45, 36455520), (48, 34177050), (50, 32809968), (53, 30952800), (54, 30379600), (60, 27341640), (72, 22784700), (75, 21873312), (80, 20506230), (90, 18227760), (96, 17088525), (100, 16404984), (106, 15476400), (108, 15189800), (120, 13670820), (135, 12151840), (144, 11392350), (150, 10936656), (159, 10317600), (160, 10253115), (180, 9113880), (200, 8202492), (212, 7738200), (216, 7594900), (225, 7291104), (240, 6835410), (265, 6190560), (270, 6075920), (288, 5696175), (300, 5468328), (318, 5158800), (360, 4556940), (400, 4101246), (424, 3869100), (432, 3797450), (450, 3645552), (477, 3439200), (480, 3417705), (530, 3095280), (540, 3037960), (600, 2734164), (636, 2579400), (675, 2430368), (720, 2278470), (795, 2063520), (800, 2050623), (848, 1934550), (864, 1898725), (900, 1822776), (954, 1719600), (1060, 1547640), (1080, 1518980), (1200, 1367082), (1272, 1289700), (1325, 1238112), (1350, 1215184), (1431, 1146400), (1433, 1144800), (1440, 1139235), (1590, 1031760), (1696, 967275), (1800, 911388), (1908, 859800), (2120, 773820), (2160, 759490), (2385, 687840), (2400, 683541), (2544, 644850), (2650, 619056), (2700, 607592), (2862, 573200), (2866, 572400), (3180, 515880), (3600, 455694), (3816, 429900), (3975, 412704), (4240, 386910), (4299, 381600), (4320, 379745), (4770, 343920), (5088, 322425), (5300, 309528), (5400, 303796), (5724, 286600), (5732, 286200), (6360, 257940), (7155, 229280), (7165, 228960), (7200, 227847), (7632, 214950), (7950, 206352), (8480, 193455), (8598, 190800), (9540, 171960), (10600, 154764), (10800, 151898), (11448, 143300), (11464, 143100), (11925, 137568), (12720, 128970), (12897, 127200), (14310, 114640), (14330, 114480), (15264, 107475), (15900, 103176), (17196, 95400), (19080, 85980), (21200, 77382), (21495, 76320), (21600, 75949), (22896, 71650), (22928, 71550), (23850, 68784), (25440, 64485), (25794, 63600), (28620, 57320), (28660, 57240), (31800, 51588), (34392, 47700), (35775, 45856), (35825, 45792), (38160, 42990), (38691, 42400)]